Sr. React Developer at Walmart

Architected and developed enterprise-scale SPAs using React.js, TypeScript, Redux Toolkit, and ES6+ to deliver scalable and high-performance frontend solutions. Built reusable component-driven architectures with React Hooks, Custom Hooks, and Context API. Implemented client-side routing with React Router v6 including protected routes and lazy loading. Developed Next.js features including SSR/SSG/ISR and dynamic routing. Integrated RESTful APIs using Axios/Fetch with centralized services and error handling. Optimized performance via code splitting, lazy loading, Suspense, React.memo/useMemo/useCallback, and asset optimization. Implemented secure authentication using JWT/OAuth, protected routes, refresh tokens, and RBAC. Built testing with Jest/React Testing Library/Cypress/MSW and improved accessibility using WCAG 2.1.

Sr. React Developer at Wells Fargo

Developed modern component-based React applications using React.js, JavaScript, TypeScript, Redux, and Webpack/Grunt for scalable UI architecture and reusable components. Implemented enterprise SPAs and Redux-based state management for complex workflows. Built responsive layouts using CSS3/SASS/LESS and Bootstrap. Integrated RESTful APIs with Node.js and validated requests/responses using Postman. Developed backend modules and services including MongoDB integration via Mongoose. Implemented secure authentication/authorization with JWT and OAuth2. Built automated frontend unit testing using Jasmine/Karma and supported regression releases. Configured build automation and module bundling with Grunt/Gulp/Webpack and NPM.

Sr. React Developer at Broadridge Financial Solutions

Built enterprise web applications using React.js, TypeScript, Spring Boot, and Java 11 for high-performance financial platforms. Designed reusable React components with Hooks and Context API. Integrated React with Spring Boot REST APIs and implemented centralized state management with Redux Toolkit. Added security with OAuth2/JWT/Spring Security. Built microservices following RESTful architecture and incorporated Apache Kafka for event-driven processing. Developed reusable UI libraries with Material UI and SCSS. Integrated REST APIs with Axios and centralized authentication/error handling. Implemented serverless solutions (AWS Lambda/API Gateway/S3/CloudWatch), CI/CD with Jenkins, and unit/integration testing using Jest/JUnit/Mockito. Containerized and deployed using Docker/Kubernetes and monitored with AWS CloudWatch.

React Developer at Florida Blue

Engineered enterprise healthcare applications using React.js, TypeScript, Node.js, and modern JavaScript patterns. Built scalable UI modules with React Hooks, Context API, Suspense, and Error Boundaries. Implemented Redux Toolkit middleware for complex asynchronous workflows. Developed GraphQL clients using Apollo Client (queries, mutations, fragments, subscriptions) with cache management. Integrated RESTful and GraphQL services with secure request orchestration and response normalization. Optimized rendering with React.memo/useMemo/useCallback, lazy loading, and code splitting. Implemented Axios interceptors for authentication, token refresh, throttling, and resiliency. Added OAuth2/JWT session management with secure cookies and role-based authorization. Developed Node.js middleware for validation/auth/logging and created GraphQL schemas/resolvers. Ensured WCAG 2.1 AA accessibility and complied with HIPAA security/privacy practices.

JavaScript/React Developer at Cash Flow Solution Inc

Implemented RESTful APIs using Node.js and Express.js for enterprise web applications. Developed CRUD operations and data management using MongoDB and Mongoose. Built backend services with modular architecture and integrated frontend via AJAX/JSON/Axios. Created AWS Lambda functions for backend automation. Secured services with JWT authentication and role-based authorization. Developed React interfaces using Redux for centralized state management. Configured React Router for dynamic routing. Used Webpack/Babel for bundling/optimization and Jest for unit tests. Managed deployments with PM2 and used Jenkins for CI workflows.